[Solved] You added this line to wp-config.php but your site shows a blank page: define('WP_DEBUG', 'true'); What is the likely problem? | Wordpress

Wordpress - WordPress Settings and Configuration

You added this line to wp-config.php but your site shows a blank page:

define('WP_DEBUG', 'true');

What is the likely problem?

AWP_DEBUG should be a boolean true, not a string 'true'.

BThe line must be placed after the closing PHP tag.

CYou need to restart the server for changes to apply.

DWP_DEBUG is not a valid constant in WordPress.

Step-by-Step Solution

Solution:

Step 1: Check the data type of WP_DEBUG value
WP_DEBUG expects a boolean true or false, not a string.
Step 2: Understand impact of wrong type
Using a string can cause PHP to misinterpret the value, leading to errors and blank pages.
Final Answer:
WP_DEBUG should be a boolean true, not a string 'true'. -> Option A
Quick Check:
Use boolean true, not 'true' string for WP_DEBUG [OK]

Quick Trick: Use true without quotes for booleans in config [OK]

Common Mistakes:

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